Home / 2,439.24-3,657.94-795.40

Finding the Fourth Proportional to 2,439.24, 3,657.94 and 795.40

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Solution

The fourth proportional to 2,439.24, 3,657.94 and 795.40 is: 1,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.24 : 3,657.94 = 795.40 : x
  2. Step 2: Convert to fraction form
    2,439.24/3,657.94 = 795.40/x
  3. Step 3: Cross multiply
    2,439.24x = 3,657.94 × 795.40
  4. Step 4: Simplify right side
    2,439.24x = 2,909,525.48
  5. Step 5: Solve for x
    x = 2,909,525.48/2,439.24
  6. Step 6: Final answer
    x = 1,192.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.